Shoe-ventilator.



R- .F. BROWEB.

1 SHOE VENTILATOR. AaPucmon FILED JUNE 21, 1916.

Patented Nov. 7, 1916.

v moaeaa] I To all whom it may concern I I tions hereinafter set forth and norr. Bnownn, or srnncesn nnw roan.

,snon-v-nnrfnnroa." Y

Be it known that I, RoY BROWER, a citizen of the United States, and a resident of Syracuse, in the county of Qnondaga and State of New York, have invented a certain new and useful Shoe-Ventilator, of which the following is a specification. I This invention has forits ob ect a ventis, Y

Specification of Letters Patent.

lator for shoes, whichis articularly simplej in construction and high rablein use, and which is readily attached or applied to the shoes; and the" invention conders 1'1 formed by upsetting or distorting the Patented Nov. a, 1916. Applicationflled June 21, 191 .saa; 105, 10. j

metal at intervals around the outer end '.of.

the enlargement, this upsetting being accomplished indenting as at 12,the margin of the inner ace of the plug ,6. I

Thejinle't passage 8, in the'plug 6 terminates near the outerface of the head 7., and

is providediwith a laterally extending passag'e 13' branchingtherefrom, said passage the head thereof, 1

sists in the novel combinations and construcclaimed. c s

In describing this inventiongreference is I had to the accompanyingdrawings, in which like characters designate? corresponding parts in all the views.

' contiguous in section.

showingpart of .the' shoe being Fig. 2 is an. invertedp a of a shoe showing the.

shown n; view-y- 7 sitionof the veIr-I tilator when attached t ereto. Fig. 3 island enlarged vertical 1 ventilator, the contiguous part of the-shank, of the shoe being shown in section. l

sectionaLviewof my shoe .shank 1. shoe by'first making a perforation of suit- This invention comprises, generally, a part insertible in one end of a perforation m a shoe and formed -'wia1 an inlet passage :hav-

ing a check valve therein, a, part insertible in the other end of the perforation and having 7 a pa$age therethrough, both parts having heads at their ends which engage or overlie 1 the inner andgou r surfaces of the shoe a perforation extending therethrough.

3 is a cylindri for screwinginto the perforation 2 of the shank .1, saidcasinghavihg a head 5 which.

overlies, and closely fits, the-outer surface of the shank around the perforation 2..

the cylindrical casing 3. The plug 6 is formed with an inlet passage 8 provided with a suitable check valve therein, the-passage being formed with an enlargement 9 at valve seat for the 'check valve 1 0, which'ishere shown as a ball. The ball is held fromits inner end. The bottom of the enlargement is formed conical and constitutes a displacement through the outer end of the enlargement by inwardly extending shoul-.

until'the head head5. a1 casing having threads 4 I mg 6 is a plug having a head 7 at its outer end and a threaded shank for threading into pening through the sides of the plug near or distorted, as at 14, to prevent the entire prevent the same from closing by collapse of the walls thereof.

2,,is arranged contiguous to the heel of the shoe atone side of the central portion of the The ventilator is applied to the able size through the shank and screwing the-parts 3 and 15 in opposite ends thereof.

Owing tothe-checkvalve in the inlet passageythe air is' drawn intothe shoe at each step, but isprevented from returning, and

Preferably, the ventilator, as seen in Fig. 1

v head 5 of the cylindrical casing 3, and hav- Figure 1 is an, elevation of this ventilator,

the same as applied to a. v shoe, the

therefore is forced to circulate around the foot and out through the top of the shoe. In dam or muddy weather, the inlet passage can readily closed by turning the plug 6 ,What I claim isi I v 1. A shoeventilator comprising a part insertible? in one end of a perforation in "a shoe, and-formed with an inlet passage hava check valve therein, and 'a part insertible'in'the othe'r'end of the perforation and having a passage therethrough, the "latterpart preventing the perforation in the shoe from closing, substantially as and for the purpose described I .2. A shoe ventilator comprising a part insertible in one end of a erforation in a shoe and formed with a head at its outer end and with an inlet passage, having a check valve therein, said passage terminating short of the outer face of the head andhaving a lateral branch opening through the sides of the 7 thereof abuts against the and an inlet part in the rearof the outer face of the head,

- substantially as and 'for the purpose set forth. 3. Ina shoe Ventilator, part inserti-ble 5in one end of a perforation'in a shoe, said part comprising a cy11ndr1calpcas1n having an annular flange at its outer en and a plugthreading into the casing 'and havinga head at its outer end opposed to the flange,

walve therein, said passage ter ninating short of the outer face of-the head and having a lateral branch opening through thevside of the-plug in the @rear of the head, substan-Z tially as and for the purpose described.

4; In a shoe ventilator, a part insertible in one end ofa perforationin a shoe, said part consisting ofa. cylindrical casinghav- I ln'g an annular fiange at its-outer. end, and

a plug threading into the casing and having a, head at its outer end opposed to the fiange,said plug being formed with an inlet 'ing removal of the valve,

passage provided-With a check.

] th day of May, 1916.

lpas'sage having? an 'erilargementat its inner end, the bottom of the enlargement :OOIIStI- tuting a: valve seat, and acheck valve inthe -.head,.and having a lateralbranch opening through the sides of the plug in the rear near the head thereof, the upper portion of the screw threads on the plug being mutilated to prevent entire removal of the same When the inlet passage is opened, substanti ally as and for the purpose specified;

In testimony" whereof, I have hereunto signedimy name, at Syracuse, in the county of Onondaga, and State OfNGW'YOIk, this nor r. tam/m.

enlargement coacting with the valve seat, 

